/Engine/Plugins/Online/OnlineServicesEOSGS/Source/Public/Online/LobbiesEOSGS.h
LobbyData will be fetched from the operation data if not set in Params.
[TFuture](API\Runtime\Core\Async\TFuture)< [TDefaultErrorResult](API\Plugins\OnlineServicesCommon\Online\TDefaultErrorResult)< [FLobbiesLeaveLobbyImpl](API\Plugins\OnlineServicesEOSGS\Online\FLobbiesLeaveLobbyImpl) > > LeaveLobbyImpl ( [FLobbiesLeaveLobbyImpl::Params](API\Plugins\OnlineServicesEOSGS\Online\FLobbiesLeaveLobbyImpl\Params) && Params )